00561nam a2200157Ia 4500008004100000010001300041040001700054082002200071100002400093245006300117260003200180300001400212440005800226650010000284700001900384190327s9999||||xx |||||||||||||| ||und||  a51-42642  aNITILcNITIL  221sta373.1bS13S  aSamford, Clarence D 0aSocial studies in the secondary schoolcClarence D Samford  aNew YorkbMcGraw-Hillc1952  aix, 376p.  aMcGraw-Hill series in education/ed by Harold Benjamin  aEducation, Secondary; Education-Audio-Visual aids; Teachers; Social services-Study and teaching  aCottle, Eugene